Function _mm256_shldv_epi16

pub fn _mm256_shldv_epi16(a: __m256i, b: __m256i, c: __m256i) -> __m256i

Available on (x86 or x86-64) and target feature avx512vbmi2 and target feature avx512vl and x86 only.

Concatenate packed 16-bit integers in a and b producing an intermediate 32-bit result. Shift the result left by the amount specified in the corresponding element of c, and store the upper 16-bits in dst.

Intel’s documentation